#129C85
Closest named color: Blue Green (#0F9B8E). oklch(62.1% 0.112 176.9), rgb(18, 156, 133).
Aa
Black text reads best on this color (6.11:1).
About this color
#129C85 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 62%, its chroma 0.112 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Green (#0F9B8E), ΔE 0.015 away. Black text reads best on it, at 6.11:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.112) |
| Temperature | cool |
| Nearest name | Blue Green (#0F9B8E) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #129C85 |
| RGB | rgb(18, 156, 133) |
| HSL | hsl(170, 79%, 34%) |
| OKLCH | oklch(62.1% 0.112 176.9) |
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 #129C85 | 3.43:1 | AA large text | Lc -66.8 | Content text, not long reading |
| Black text on #129C85 | 6.11:1 | AA | Lc 42.8 | Non-text elements, placeholder text |
| #129C85 text on white | 3.43:1 | AA large text | Lc 61.3 | Content text, not long reading |
| #129C85 text on black | 6.11:1 | AA | Lc -40.4 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#DFEEE9
oklch(93.7% 0.017 174)
-
Step 200
200
#C5E0D9
oklch(88.5% 0.03 178.3)
-
Step 300
300
#9BCDC0
oklch(80.9% 0.055 177.1)
-
Step 400
400
#5EB39F
oklch(70.8% 0.089 176.4)
-
Step 500
500 (this color)
#129C85
oklch(62.1% 0.112 176.9)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#052E26
oklch(27.1% 0.046 176.5)
#129C85 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) | #969284 | 0.118 |
| Deuteranopia (no green cones) | #858587 | 0.113 |
| Tritanopia (no blue cones) | #009E95 | 0.023 |
| Achromatopsia (no color) | #8A8A8A | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #129C85
#129C85
oklch(62.1% 0.112 176.9)
- #BB6887
#BB6887
oklch(62% 0.112 357.1)
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 #129C85, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Green #0F9B8E ΔE 0.015
- Persian Green #2A9D8F ΔE 0.018
- Ocean Green #3D9973 ΔE 0.027
- Sea #3C9992 ΔE 0.032
- Teal Green #0A9396 ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.044
- Viridian #1E9167 ΔE 0.046
- Jade #1FA774 ΔE 0.048
Use #129C85 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.