#129D6A
Closest named color: Ocean Green (#3D9973). oklch(61.6% 0.134 160.9), rgb(18, 157, 106).
Aa
Black text reads best on this color (6.05:1).
About this color
#129D6A is a medium-dark, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.134 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.029 away. Black text reads best on it, at 6.05:1.
| Hue family | Greens |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.134) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.05:1 |
| White text | 3.46:1 |
Values
| HEX | #129D6A |
| RGB | rgb(18, 157, 106) |
| HSL | hsl(158, 79%, 34%) |
| OKLCH | oklch(61.6% 0.134 160.9) |
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 #129D6A | 3.46:1 | AA large text | Lc -67.1 | Content text, not long reading |
| Black text on #129D6A | 6.05:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #129D6A text on white | 3.46:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #129D6A text on black | 6.05:1 | AA | Lc -40.0 | 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
#E0EEE6
oklch(93.6% 0.018 161.1)
-
Step 200
200
#C5E1D1
oklch(88.5% 0.037 160.5)
-
Step 300
300
#9CCEB3
oklch(80.9% 0.065 160.9)
-
Step 400
400
#5FB58B
oklch(70.7% 0.105 160.8)
-
Step 500
500 (this color)
#129D6A
oklch(61.6% 0.134 160.9)
-
Step 600
600
#00895B
oklch(55.6% 0.124 161)
-
Step 700
700
#00734C
oklch(49.1% 0.109 161.2)
-
Step 800
800
#005E3D
oklch(42.6% 0.095 160.9)
-
Step 900
900
#004F32
oklch(37.7% 0.085 160.4)
-
Step 950
950
#052F1D
oklch(27.1% 0.056 160.1)
#129D6A 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) | #9B9067 | 0.127 |
| Deuteranopia (no green cones) | #8B856D | 0.123 |
| Tritanopia (no blue cones) | #009C90 | 0.057 |
| Achromatopsia (no color) | #8A8A8A | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #129D6A
#129D6A
oklch(61.6% 0.134 160.9)
- #B9629D
#B9629D
oklch(61.6% 0.133 340.7)
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 #129D6A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.029
- Jade #1FA774 ΔE 0.031
- Viridian #1E9167 ΔE 0.035
- Light Forest Green #4F9153 ΔE 0.043
- Sea Green #2E8B57 ΔE 0.052
- Seaweed Green #35AD6B ΔE 0.052
- Muted Green #5FA052 ΔE 0.054
- Blue Green #0F9B8E ΔE 0.055
Use #129D6A 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.