#39BF99
Closest named color: Green Blue (#01C08D). oklch(72.4% 0.127 169.7), rgb(57, 191, 153).
Aa
Black text reads best on this color (9.08:1).
About this color
#39BF99 is a medium-light, moderately saturated green. In OKLCH its lightness is 72%, its chroma 0.127 and its hue 170°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Blue (#01C08D), ΔE 0.025 away. Black text reads best on it, at 9.08:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.127) |
| Temperature | in between |
| Nearest name | Green Blue (#01C08D) |
| Black text | 9.08:1 |
| White text | 2.31:1 |
Values
| HEX | #39BF99 |
| RGB | rgb(57, 191, 153) |
| HSL | hsl(163, 54%, 49%) |
| OKLCH | oklch(72.4% 0.127 169.7) |
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 #39BF99 | 2.31:1 | Fails | Lc -50.1 | Large or bold text, headings |
| Black text on #39BF99 | 9.08:1 | AAA | Lc 58.8 | Large or bold text, headings |
| #39BF99 text on white | 2.31:1 | Fails | Lc 45.2 | Large or bold text, headings |
| #39BF99 text on black | 9.08:1 | AAA | Lc -56.9 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE7
oklch(93.6% 0.023 168.7)
-
Step 200
200
#BDE3D4
oklch(88.4% 0.045 169.4)
-
Step 300
300
#8BD2B8
oklch(80.9% 0.081 169.3)
-
Step 400
400 (this color)
#39BF99
oklch(72.4% 0.127 169.7)
-
Step 500
500
#00A17D
oklch(63% 0.125 169.6)
-
Step 600
600
#008869
oklch(55.7% 0.111 169.5)
-
Step 700
700
#007258
oklch(49.1% 0.097 169.9)
-
Step 800
800
#005E48
oklch(42.9% 0.085 169.8)
-
Step 900
900
#004E3B
oklch(37.7% 0.075 169.6)
-
Step 950
950
#002F22
oklch(27.1% 0.054 168.9)
#39BF99 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) | #BAB297 | 0.130 |
| Deuteranopia (no green cones) | #A8A59C | 0.125 |
| Tritanopia (no blue cones) | #00C0B4 | 0.038 |
| Achromatopsia (no color) | #AAAAAA | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #39BF99
#39BF99
oklch(72.4% 0.127 169.7)
- #E183B1
#E183B1
oklch(72.4% 0.127 350)
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 #39BF99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Blue #01C08D ΔE 0.025
- Greenblue #23C48B ΔE 0.030
- Greeny Blue #42B395 ΔE 0.033
- Topaz #13BBAF ΔE 0.038
- Dark Seafoam #1FB57A ΔE 0.049
- Dark Mint #48C072 ΔE 0.052
- Light Sea Green #20B2AA ΔE 0.053
- Bluey Green #2BB179 ΔE 0.054
Use #39BF99 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.