#019C5D
Closest named color: Viridian (#1E9167). oklch(60.9% 0.146 156.4), rgb(1, 156, 93).
Aa
Black text reads best on this color (5.91:1).
About this color
#019C5D is a medium-dark, vivid green. In OKLCH its lightness is 61%, its chroma 0.146 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.040 away. Black text reads best on it, at 5.91:1.
| Hue family | Greens |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.91:1 |
| White text | 3.55:1 |
Values
| HEX | #019C5D |
| RGB | rgb(1, 156, 93) |
| HSL | hsl(156, 99%, 31%) |
| OKLCH | oklch(60.9% 0.146 156.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #019C5D | 3.55:1 | AA large text | Lc -67.9 | Content text, not long reading |
| Black text on #019C5D | 5.91:1 | AA | Lc 41.6 | Non-text elements, placeholder text |
| #019C5D text on white | 3.55:1 | AA large text | Lc 62.4 | Content text, not long reading |
| #019C5D text on black | 5.91:1 | AA | Lc -39.3 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F1F7F3
oklch(97.1% 0.008 157.1)
-
Step 100
100
#DFEEE4
oklch(93.5% 0.021 156.8)
-
Step 200
200
#C5E1CF
oklch(88.4% 0.038 157.3)
-
Step 300
300
#9BCFAE
oklch(80.9% 0.071 156.6)
-
Step 400
400
#5EB683
oklch(70.8% 0.114 156.4)
-
Step 500
500 (this color)
#019C5D
oklch(60.9% 0.146 156.4)
-
Step 600
600
#008A51
oklch(55.7% 0.135 156.2)
-
Step 700
700
#007444
oklch(49.2% 0.118 156.6)
-
Step 800
800
#005F37
oklch(42.7% 0.102 156.7)
-
Step 900
900
#004F2D
oklch(37.6% 0.09 156.8)
-
Step 950
950
#042F1A
oklch(27% 0.06 156.8)
#019C5D with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #9B8E59 | 0.132 |
| Deuteranopia (no green cones) | #8C8461 | 0.128 |
| Tritanopia (no blue cones) | #009B8C | 0.069 |
| Achromatopsia (no color) | #888888 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #019C5D
#019C5D
oklch(60.9% 0.146 156.4)
- #B85DA3
#B85DA3
oklch(61% 0.145 336.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #019C5D, closest first.
No curated palette has a color within ΔE 0.04 of #019C5D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.040
- Jade #1FA774 ΔE 0.041
- Light Forest Green #4F9153 ΔE 0.043
- Ocean Green #3D9973 ΔE 0.044
- Kelley Green #009337 ΔE 0.046
- Sea Green #2E8B57 ΔE 0.049
- Fern Green #548D44 ΔE 0.053
- Muted Green #5FA052 ΔE 0.054
Use #019C5D in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.