#019F5D
Closest named color: Jade (#1FA774). oklch(61.8% 0.15 155.8), rgb(1, 159, 93).
Aa
Black text reads best on this color (6.11:1).
About this color
#019F5D is a medium-dark, vivid green. In OKLCH its lightness is 62%, its chroma 0.150 and its hue 156°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jade (#1FA774), ΔE 0.036 away. Black text reads best on it, at 6.11:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Jade (#1FA774) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #019F5D |
| RGB | rgb(1, 159, 93) |
| HSL | hsl(155, 99%, 31%) |
| OKLCH | oklch(61.8% 0.15 155.8) |
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 #019F5D | 3.43:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #019F5D | 6.11:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #019F5D text on white | 3.43:1 | AA large text | Lc 61.2 | Content text, not long reading |
| #019F5D text on black | 6.11:1 | AA | Lc -40.5 | 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
#F0F7F3
oklch(97% 0.009 161.4)
-
Step 100
100
#DFEEE4
oklch(93.5% 0.021 156.8)
-
Step 200
200
#C5E2CE
oklch(88.6% 0.041 155.4)
-
Step 300
300
#9ACFAD
oklch(80.8% 0.073 156.2)
-
Step 400
400
#5CB681
oklch(70.6% 0.117 155.9)
-
Step 500
500 (this color)
#019F5D
oklch(61.8% 0.15 155.8)
-
Step 600
600
#008A50
oklch(55.7% 0.136 155.8)
-
Step 700
700
#007442
oklch(49.1% 0.12 155.6)
-
Step 800
800
#005F35
oklch(42.7% 0.104 155.6)
-
Step 900
900
#004F2C
oklch(37.6% 0.091 156.1)
-
Step 950
950
#032F19
oklch(27% 0.062 156.1)
#019F5D 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) | #9E9158 | 0.134 |
| Deuteranopia (no green cones) | #8F8662 | 0.132 |
| Tritanopia (no blue cones) | #009D8F | 0.074 |
| Achromatopsia (no color) | #8A8A8A | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #019F5D
#019F5D
oklch(61.8% 0.15 155.8)
- #BB5EA8
#BB5EA8
oklch(61.7% 0.15 335.5)
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 #019F5D, closest first.
No curated palette has a color within ΔE 0.04 of #019F5D.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jade #1FA774 ΔE 0.036
- Ocean Green #3D9973 ΔE 0.047
- Light Forest Green #4F9153 ΔE 0.048
- Seaweed Green #35AD6B ΔE 0.048
- Viridian #1E9167 ΔE 0.049
- Kelley Green #009337 ΔE 0.049
- Muted Green #5FA052 ΔE 0.050
- Jade Green #2BAF6A ΔE 0.051
Use #019F5D 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.