#39AC91
Closest named color: Greeny Blue (#42B395). oklch(67.3% 0.11 174), rgb(57, 172, 145).
Aa
Black text reads best on this color (7.48:1).
About this color
#39AC91 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.110 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Greeny Blue (#42B395), ΔE 0.022 away. Black text reads best on it, at 7.48:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Greeny Blue (#42B395) |
| Black text | 7.48:1 |
| White text | 2.80:1 |
Values
| HEX | #39AC91 |
| RGB | rgb(57, 172, 145) |
| HSL | hsl(166, 50%, 45%) |
| OKLCH | oklch(67.3% 0.11 174) |
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 #39AC91 | 2.80:1 | Fails | Lc -58.9 | Large or bold text, headings |
| Black text on #39AC91 | 7.48:1 | AAA | Lc 50.4 | Large or bold text, headings |
| #39AC91 text on white | 2.80:1 | Fails | Lc 53.6 | Large or bold text, headings |
| #39AC91 text on black | 7.48:1 | AAA | Lc -48.2 | 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
#F0F8F5
oklch(97.2% 0.009 171.8)
-
Step 100
100
#DDEEE9
oklch(93.5% 0.019 176.4)
-
Step 200
200
#C0E2D7
oklch(88.5% 0.039 173.8)
-
Step 300
300
#92D0BD
oklch(81% 0.069 173.5)
-
Step 400
400 (this color)
#39AC91
oklch(67.3% 0.11 174)
-
Step 500
500
#00A084
oklch(63% 0.119 174.3)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00725D
oklch(49.3% 0.094 174)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#39AC91 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) | #A6A190 | 0.114 |
| Deuteranopia (no green cones) | #969593 | 0.110 |
| Tritanopia (no blue cones) | #00AEA4 | 0.028 |
| Achromatopsia (no color) | #9A9A9A | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39AC91
#39AC91
oklch(67.3% 0.11 174)
- #CB799B
#CB799B
oklch(67.4% 0.11 354.1)
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 #39AC91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greeny Blue #42B395 ΔE 0.022
- Light Sea Green #20B2AA ΔE 0.035
- Tea #65AB7C ΔE 0.040
- Dark Seafoam Green #3EAF76 ΔE 0.042
- Bluey Green #2BB179 ΔE 0.043
- Jade #1FA774 ΔE 0.045
- Dull Teal #5F9E8F ΔE 0.046
- Persian Green #2A9D8F ΔE 0.047
Use #39AC91 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.