#1D9961
Closest named color: Viridian (#1E9167). oklch(60.5% 0.134 157.5), rgb(29, 153, 97).
Aa
Black text reads best on this color (5.78:1).
About this color
#1D9961 is a medium-dark, moderately saturated green. In OKLCH its lightness is 60%, its chroma 0.134 and its hue 158°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Viridian (#1E9167), ΔE 0.028 away. Black text reads best on it, at 5.78:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Viridian (#1E9167) |
| Black text | 5.78:1 |
| White text | 3.63:1 |
Values
| HEX | #1D9961 |
| RGB | rgb(29, 153, 97) |
| HSL | hsl(153, 68%, 36%) |
| OKLCH | oklch(60.5% 0.134 157.5) |
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 #1D9961 | 3.63:1 | AA large text | Lc -68.9 | Content text, not long reading |
| Black text on #1D9961 | 5.78:1 | AA | Lc 40.6 | Non-text elements, placeholder text |
| #1D9961 text on white | 3.63:1 | AA large text | Lc 63.4 | Content text, not long reading |
| #1D9961 text on black | 5.78:1 | AA | Lc -38.2 | 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
#E0EEE5
oklch(93.6% 0.019 157.9)
-
Step 200
200
#C6E1D0
oklch(88.5% 0.037 157.9)
-
Step 300
300
#9ECEB0
oklch(80.9% 0.066 157.2)
-
Step 400
400
#63B487
oklch(70.6% 0.105 157.9)
-
Step 500
500 (this color)
#1D9961
oklch(60.5% 0.134 157.5)
-
Step 600
600
#008954
oklch(55.5% 0.13 157.7)
-
Step 700
700
#007446
oklch(49.2% 0.116 157.5)
-
Step 800
800
#005F38
oklch(42.7% 0.101 157.3)
-
Step 900
900
#024F2F
oklch(37.7% 0.087 157.9)
-
Step 950
950
#082E1B
oklch(26.9% 0.055 157.2)
#1D9961 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) | #988C5D | 0.123 |
| Deuteranopia (no green cones) | #898265 | 0.120 |
| Tritanopia (no blue cones) | #00988B | 0.062 |
| Achromatopsia (no color) | #868686 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D9961
#1D9961
oklch(60.5% 0.134 157.5)
- #B35F9E
#B35F9E
oklch(60.4% 0.134 337.3)
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 #1D9961, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Viridian #1E9167 ΔE 0.028
- Ocean Green #3D9973 ΔE 0.033
- Light Forest Green #4F9153 ΔE 0.034
- Sea Green #2E8B57 ΔE 0.040
- Jade #1FA774 ΔE 0.043
- Fern Green #548D44 ΔE 0.047
- Kelley Green #009337 ΔE 0.051
- Muted Green #5FA052 ΔE 0.055
Use #1D9961 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.