#4D9978
Closest named color: Ocean Green (#3D9973). oklch(62.5% 0.092 163.4), rgb(77, 153, 120).
Aa
Black text reads best on this color (6.14:1).
About this color
#4D9978 is a medium-light, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.092 and its hue 163°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Ocean Green (#3D9973), ΔE 0.016 away. Black text reads best on it, at 6.14:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Ocean Green (#3D9973) |
| Black text | 6.14:1 |
| White text | 3.41:1 |
Values
| HEX | #4D9978 |
| RGB | rgb(77, 153, 120) |
| HSL | hsl(154, 33%, 45%) |
| OKLCH | oklch(62.5% 0.092 163.4) |
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 #4D9978 | 3.41:1 | AA large text | Lc -67.0 | Content text, not long reading |
| Black text on #4D9978 | 6.14:1 | AA | Lc 42.5 | Non-text elements, placeholder text |
| #4D9978 text on white | 3.41:1 | AA large text | Lc 61.5 | Content text, not long reading |
| #4D9978 text on black | 6.14:1 | AA | Lc -40.2 | 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
#E3EDE7
oklch(93.7% 0.013 159.9)
-
Step 200
200
#CBDFD4
oklch(88.6% 0.026 161.9)
-
Step 300
300
#A7CAB9
oklch(80.9% 0.044 164.3)
-
Step 400
400
#76AF94
oklch(70.7% 0.072 163.4)
-
Step 500
500 (this color)
#4D9978
oklch(62.5% 0.092 163.4)
-
Step 600
600
#2E8563
oklch(55.5% 0.099 163.7)
-
Step 700
700
#1F7152
oklch(49.1% 0.093 163.5)
-
Step 800
800
#1D5C43
oklch(42.7% 0.077 163.3)
-
Step 900
900
#1F4C39
oklch(37.9% 0.06 163.4)
-
Step 950
950
#132C21
oklch(26.9% 0.038 163.5)
#4D9978 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) | #979076 | 0.090 |
| Deuteranopia (no green cones) | #8B877A | 0.087 |
| Tritanopia (no blue cones) | #359990 | 0.037 |
| Achromatopsia (no color) | #8B8B8B | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D9978
#4D9978
oklch(62.5% 0.092 163.4)
- #AF7196
#AF7196
oklch(62.6% 0.092 343.5)
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 #4D9978, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Green #3D9973 ΔE 0.016
- Grey Teal #5E9B8A ΔE 0.033
- Persian Green #2A9D8F ΔE 0.035
- Slate Green #658D6D ΔE 0.037
- Dusty Teal #4C9085 ΔE 0.038
- Sea #3C9992 ΔE 0.039
- Blue Green #0F9B8E ΔE 0.039
- Dull Teal #5F9E8F ΔE 0.040
Use #4D9978 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.