#439B78
Closest named color: Ocean Green (#3D9973). oklch(62.6% 0.101 164.5), rgb(67, 155, 120).
Aa
Black text reads best on this color (6.19:1).
About this color
#439B78 is a medium-light, moderately saturated green. In OKLCH its lightness is 63%, its chroma 0.101 and its hue 164°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.010 away. Black text reads best on it, at 6.19:1.
| Hue family | Greens |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.101) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.19:1 |
| White text | 3.38:1 |
Values
| HEX | #439B78 |
| RGB | rgb(67, 155, 120) |
| HSL | hsl(156, 40%, 44%) |
| OKLCH | oklch(62.6% 0.101 164.5) |
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 #439B78 | 3.38:1 | AA large text | Lc -66.6 | Content text, not long reading |
| Black text on #439B78 | 6.19:1 | AA | Lc 42.9 | Non-text elements, placeholder text |
| #439B78 text on white | 3.38:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #439B78 text on black | 6.19:1 | AA | Lc -40.6 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E2EDE7
oklch(93.6% 0.014 162.5)
-
Step 200
200
#C9DFD4
oklch(88.4% 0.028 164.3)
-
Step 300
300
#A4CBB8
oklch(80.9% 0.049 164.1)
-
Step 400
400
#70B094
oklch(70.6% 0.078 164.9)
-
Step 500
500 (this color)
#439B78
oklch(62.6% 0.101 164.5)
-
Step 600
600
#1B8762
oklch(55.6% 0.11 164.3)
-
Step 700
700
#077251
oklch(49% 0.102 164.4)
-
Step 800
800
#0F5D43
oklch(42.6% 0.084 164.8)
-
Step 900
900
#184C38
oklch(37.6% 0.065 164.3)
-
Step 950
950
#102D21
oklch(27.1% 0.042 164)
#439B78 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) | #989176 | 0.099 |
| Deuteranopia (no green cones) | #8B887A | 0.095 |
| Tritanopia (no blue cones) | #1C9B91 | 0.039 |
| Achromatopsia (no color) | #8B8B8B | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #439B78
#439B78
oklch(62.6% 0.101 164.5)
- #B36E96
#B36E96
oklch(62.5% 0.101 344.7)
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 #439B78, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.010
- Persian Green #2A9D8F ΔE 0.033
- Blue Green #0F9B8E ΔE 0.037
- Grey Teal #5E9B8A ΔE 0.039
- Jade #1FA774 ΔE 0.041
- Sea #3C9992 ΔE 0.041
- Dusty Teal #4C9085 ΔE 0.044
- Viridian #1E9167 ΔE 0.045
Use #439B78 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.