#39AF91
Closest named color: Greeny Blue (#42B395). oklch(68.1% 0.114 172.4), rgb(57, 175, 145).
Aa
Black text reads best on this color (7.71:1).
About this color
#39AF91 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.114 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.014 away. Black text reads best on it, at 7.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.71:1 |
| White text | 2.72:1 |
Values
| HEX | #39AF91 |
| RGB | rgb(57, 175, 145) |
| HSL | hsl(165, 51%, 45%) |
| OKLCH | oklch(68.1% 0.114 172.4) |
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 #39AF91 | 2.72:1 | Fails | Lc -57.6 | Large or bold text, headings |
| Black text on #39AF91 | 7.71:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #39AF91 text on white | 2.72:1 | Fails | Lc 52.4 | Large or bold text, headings |
| #39AF91 text on black | 7.71:1 | AAA | Lc -49.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DDEFE8
oklch(93.7% 0.021 170.6)
-
Step 200
200
#C0E2D6
oklch(88.5% 0.039 172)
-
Step 300
300
#91D0BC
oklch(80.9% 0.07 172.7)
-
Step 400
400 (this color)
#39AF91
oklch(68.1% 0.114 172.4)
-
Step 500
500
#00A182
oklch(63.2% 0.122 172.6)
-
Step 600
600
#00876D
oklch(55.6% 0.107 172.9)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#39AF91 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) | #AAA490 | 0.118 |
| Deuteranopia (no green cones) | #999893 | 0.112 |
| Tritanopia (no blue cones) | #00B1A6 | 0.030 |
| Achromatopsia (no color) | #9D9D9D | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39AF91
#39AF91
oklch(68.1% 0.114 172.4)
- #CE7A9F
#CE7A9F
oklch(68.1% 0.113 352.6)
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 #39AF91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.014
- Light Sea Green #20B2AA ΔE 0.034
- Tea #65AB7C ΔE 0.037
- Dark Seafoam Green #3EAF76 ΔE 0.038
- Bluey Green #2BB179 ΔE 0.038
- Dark Seafoam #1FB57A ΔE 0.044
- Topaz #13BBAF ΔE 0.045
- Jade #1FA774 ΔE 0.046
Use #39AF91 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.